void main()
{
    import std.algorithm, std.stdio;

    "Starting program".writeln;

    enum a = [ 3, 1, 5, 2, 4, 6, 0 ];
    // Sort data at compile-time
    static immutable b = sort(a);

    // Print the result _during_ compilation
    pragma(msg, "Finished compilation: ", b);
}
